The term 'Spinach-Loving Sailor' refers to the iconic cartoon character Popeye, who is known for his love of spinach and his seafaring lifestyle. Popeye is a six-letter word that is often used to describe this character. He is a sailor who is always seen with a can of spinach, which he uses to gain superhuman strength. Popeye is a beloved character who has been featured in cartoons, comic strips, and movies since the 1930s.